Ansi B16.5 Class 300 Flange Dimensions In Mm

The technical 300 Lb Blind Flange Dimensions, 300 Lb Flange Gasket Dimensions, 300 Lb Orifice Flange Dimensions

Find here 300# Flange Bolt Chart, Slip On Flange Dimensions 300#, 8, 28 and 30 300 Lb Flange Dimensions

300# flange bolt chart is used to assist engineers and pipe fitters with calculating the number of fasteners associated according to flange size. A Class 30 300 lb flange dimensions can handle more pressure as compared to a Class 150 flange. This is because a Class 3 300 lb flange dimensions is constructed with more metal and can withstand more pressure. However, there are a number of factors that could impact the pressure capability of an 8 300 lb flange dimensions.

The Pressure Class or Rating for all flanges has to be given in pounds. Different names must be used to indicate a Pressure Class. For example: 300 Lb or 300 Lbs or 300# or Class 300 lb blind flange dimensions, all are the same.

Generally, Steel pipe 300 lb flange gasket dimensions are classified as per ASME B16.5 standard. The pressure rating of these flanges range from 150 # to 2500 #. The term "lb", "class" and "#" are used interchangeably to designate the pressure rating of the 300 lb weld neck flange dimensions. The fact is that 300 lb has no relation to 300 psi pressure rating. Pressure rating of the 300 lb pipe flange dimensions depends on the material used such as A105, stainless, nickel alloy etc. The pressure rating of the 300 lb ansi flange dimensions also depends on the heat treat condition and pressure "class".

term "class" used in ansi b16.5 class 300 flange dimensions in mm is to not to be confuse it with pressure "rating". ASME B16.5 Class slip on flange dimensions 300# size ranges from ½ inch (15 NB) to 48 inch (1200NB) or DN10~DN5000. Major types of 300 lb slip on flange dimensions are available in the form of Forged type, Threaded type, Screwed type &  Plate type.The 300 lb raised face flange dimensions supporting material includes the use of Ring Joint, Gasket and 28 300 lb flange dimensions Bolts.

Application of the Class 300 lb orifice flange dimensions includes its use in Connecting Pipe & Tubes in  industries like Construction, Petroleum, Power, Chemical, Gas, Metallurgy, Shipbuilding etc. The Key markets and industries that use the Class 300 lb long weld neck flange dimensions in their equipment’s are  - Nuclear power (mostly seamless), Bitumen upgraders, Heavy oil refineries, as well as Petrochemicals and acids.

 

Class 300 Flange Bolt Chart

Bolt And Stud Dimensions Chart - ASME B16.5 Flanges


300 LB. Flanges
# Bolts or Studs
Dia of Bolts or Studs
Length of Stud
1/16 RF
4
0.50
2-1/2
4
0.63
3
4
0.63
3
4
0.63
3-1/4
4
0.75
3-1/2
8
0.63
3-1/2
8
0.75
4
8
0.75
4-1/4
8
0.75
4-1/4
8
0.75
4-1/2
8
0.75
4-3/4
12
0.75
4-3/4
12
0.88
5-1/2
16
1.00
6-1/4
16
1.13
6-3/4
20
1.13
7
20
1.25
7-1/2
24
1.25
7-3/4
24
1.25
8
24
1.50
9

 

Class 300 Flange Specifications

Specifications Class 300 Flanges
ASME B16.5 Class 300 Flange size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
ansi b16.5 Class 300 Flanges Standards B16.47 Series A & B, ANSI/ASME B16.5, BS4504, B16.48, EN-1092, BS 10, DIN, ANSI Flanges, BS Flanges, ASME Flanges, EN Flanges, DIN Flanges, GOST Flanges.
ansi b16.5 Class 300 Flange Standard DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
ansi b16.5 Class 300 Flange Standard JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
ansi b16.5 Class 300 Flange Standard UNI 6Bar 10Bar 16Bar 25Bar 40Bar
ansi b16.5 Class 300 Flange Standard EN 6Bar 10Bar 16Bar 25Bar 40Bar
Main Types Threaded / Forged / Plate /Screwed
Flange supporting material Ring Joint, Gasket, Flange Bolts
ansi b16.5 Class 300 Pipe Flanges Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Most common types of ansi b16.5 Class 300Flanges
  • Slip-On Ring Flange (SORF), Class 300
  • Weld Neck Ring Flange (WNRF), Class 300
  • Threaded Ring Flange, Class 300
  • Socket Weld Ring Flange (SWRF), Class 300
  • Blind Ring Flange (BLRF), Class 300
  • Ring Type Joint Flange (RTJF), Class 300
  • Lap Joint Ring Flange (LJRF), Class 300
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face Type Ring Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Class 300 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange

Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Specialized manufacturer of
  • DIN 2566 pn16
  • Rtj Flange
  • PN16 Flange
  • DIN 2566 pn10
  • DIN 2566 en 1092 1
  • Class 300 Blind Flanges
  • Class 300 Large Diameter Flange
  • Class 300 Table Flanges
  • Class 300 Sorf Flange
  • Class 300 Socketweld Flanges
  • Class 300 Threaded Flanges
  • Class 300 Weld Neck Flanges
  • Class 300 Slip-On Flanges
  • Class 300 Loose Flanges
  • Class 300 AS 4087 Water Flanges
  • Class 300 Lap Joint Flanges
  • Class 300 Plate Flanges
  • Class 300 Orifice Flanges
Class 300 Flanges Standard

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • AS 2129: Table D; Table E; Table H
  • B.S: BS4504 , BS3293, BS1560, BS10
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • German (DIN)
  • American standard (ANSI)
  • Any other specilised flanges
  • British standard (BS)
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638
Key markets and industries for Class 300 Flanges
  • Nuclear power (mostly seamless).
  • Heavy oil refineries.
  • Bitumen upgraders.
  • Petrochemicals and acids.
Export to Korea, Thailand, Iran, Dubai, Egypt, Ireland, Canada, USA, Indonesia, Spain, Singapore, India, Ukraine, Oman, Brazil, Peru, Saudi Arabia etc
Class 300 Flanges Application
  • To Connect Pipe & Tubes in Chemical, Petroleum, Power, Gas, Construction,Shipbuilding, Metallurgy etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

 

Class 300 Flange Dimensions

Class 300 Flange Dimensions
Normal
pipe
size
Outside
dia. of
flange
Minimum
thickness
of flange
Overall Length
Bolt 
Circle
No. and 
Size of
Holes
O.D. of
raised
face
Welding 
neck
Slip-on
& socket
welding
Lap Joint
O
Q
Y
Diam.
No.
dia.
R
1/2
95
14.3
52.4
22.2
22.2
666.5
4
15
35
3/4
117
15.9
57.2
25.4
25.4
82.4
4
19
43
1
124
17.5
61.9
27.0
27.0
89.0
4
19
51
1-1/4
133
19.1
65.1
27.0
27.0
98.5
4
19
64
1-1/2
156
20.7
68.3
30.2
30.2
114.5
4
22
73
2
165
22.3
69.8
33.3
33.3
127.0
8
19
92
2-1/2
190
25.4
76.2
38.1
38.1
149.0
8
22
105
3
210
28.6
79.4
42.9
42.9
168.0
8
22
127
4
254
318
85.7
47.6
47.6
200.0
8
22
157
5
279
35.0
98.4
50.8
50.8
235.0
8
22
186
6
313
36.6
98.4
52.4
52.4
270.0
12
22
216
6
381
413
111.1
61.9
91.9
330.0
12
25
270
10
444
47.7
117.5
66.7
95.3
387.5
16
29
324
12
521
50.8
130.2
73.0
101.6
451.0
16
32
381
14
584
54.0
142.9
76.2
111.1
514.5
20
32
413
16
648
57.2
146.0
82.6
120.7
571.5
20
35
470
18
711
60.4
158.8
88.9
130.2
628.5
24
35
533
20
775
63.5
161.9
95.2
139.7
686.0
24
35
584
24
914
69.9
168.3
106.4
152.4
843.0
24
41
692

 

Class 300 Flange Pressure Rating

Rating Of Carbon Steel Flanges

The Table Shows The Maximum Pressure In PSI ASTM A105 / ASTM A350 LF2 / ASTM A350 LF3 / ASTM A350 LF6

Temperature (in F°)
300#
100
740
200
680
300
655
400
635
500
605
600
570
650
550
700
530
750
505
800
410
850
320
900
230
950
135
1000
85
Hydrostatic Test Pressure (psig)
1125

 

Rating In Bars

TEMP C°
300#
-29 / 38
51.1
50
50.1
100
46.6
150
45.1
200
43.8
250
41.9
300
39.8
325
38.7
350
37.6
375
36.4
400
34.7
425
28.8
450
23
475
17.4
500
11.8
538
5.9

 

Browse 300 Lb Weld Neck Flange Dimensions, 300 Lb Raised Face Flange Dimensions online

Rating of Stainless Steel Flanges

Flanges Pressure Rating in Bars ANSI flanges (ASTM A182 F304L / ASTM A182 F316L)

TEMP C°
300#
-29 TO 38
41.4
50
40
100
34.8
150
31.4
200
29.2
250
27.5
300
26.1
325
25.5
350
25.1
375
24.8
400
24.3
425
23.9
450
23.4

 

View Available 300 Lb Pipe Flange Dimensions, Class 300 Flange Pressure Rating, 300 Lb Slip On Flange Dimensions
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